APA (7th ed.) Citation

Zimmermann, E. W. (1933). World resources and industries: A functional appraisal of the availability of agricultural and industrial resourcs. Harper.

Chicago Style (17th ed.) Citation

Zimmermann, Erich W. World Resources and Industries: A Functional Appraisal of the Availability of Agricultural and Industrial Resourcs. New York, London: Harper, 1933.

MLA (9th ed.) Citation

Zimmermann, Erich W. World Resources and Industries: A Functional Appraisal of the Availability of Agricultural and Industrial Resourcs. Harper, 1933.